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convertfilesforfree_8.25_adknowledge3_release.exe

E & F Limited

The application convertfilesforfree_8.25_adknowledge3_release.exe by E & F Limited has been detected as a potentially unwanted program by 6 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from d1s8azhe8rpvoz.cloudfront.net and multiple other hosts.
Publisher:
E & F Limited  (signed and verified)

MD5:
429cd648f06ae4aa8cc75d629f4a001f

SHA-1:
4440745f7c96650b4aeac81fe9e8e697909b952c

Scanner detections:
6 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallIQ download installer to bundle various adware offers.

Analysis date:
11/4/2024 5:00:16 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Adware-gen [Adw]
2014.9-140619

Dr.Web
Adware.W3i.44
9.0.1.0170

Malwarebytes
PUP.Optional.FastFreeConverter.A
v2014.06.19.07

Reason Heuristics
PUP.Optional.EFLimited.m
14.9.30.13

Trend Micro House Call
TROJ_GEN.F47V0522
7.2.170

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.0

File size:
1.3 MB (1,338,856 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Documents and Settings\{user}\Local settings\temporary internet files\content.ie5\{random}\convertfilesforfree_8.25_adknowledge3_release.exe

Digital Signature
Signed by:
E & F Limited

Authority:
VeriSign, Inc.

Valid from:
3/5/2014 7:00:00 PM

Valid to:
3/5/2017 6:59:59 PM

Subject:
CN=E & F Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=E & F Limited, L=Hong Kong, S=Hong Kong, C=HK

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
7DBC05F86288F5858494DE063D75ED47

File PE Metadata
Compilation timestamp:
2/24/2012 2:22:01 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:cNEyW1/mAZ2RK+jIn1Wj5sbixnGRRwBRgGqe5JkMZ/mKZ2RiGQIVgWX:c41/xZ+KkIYj6bixnGRRkq3C/JZ+ixIZ

Entry address:
0x36DA

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 1C, C7, 44, 24, 10, C0, 8A, 40, 00, 89, 5C, 24, 18, C6, 44, 24, 14, 20, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, AC, 80, 40, 00, 53, FF, 15, A4, 82, 40, 00, 6A, 08, A3, 18, 36, 45, 00, E8, FD, 28, 00, 00, 53, 68, 60, 01, 00, 00, A3, 28, 35, 45, 00, 8D, 44, 24, 3C, 50, 53, 68, BF, 8A, 40, 00, FF, 15, 70, 81, 40, 00, 68, B4, 8A, 40, 00, 68, 20, F5, 44, 00, E8, 27, 26, 00, 00, FF, 15, A8, 80, 40, 00, 50, BF, 50, C0, 47, 00, 57, E8, 15, 26...
 
[+]

Entropy:
7.9787

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file convertfilesforfree_8.25_adknowledge3_release.exe has been seen being distributed by the following 2 URLs.

http://d1s8azhe8rpvoz.cloudfront.net/bundles/.../ConvertFilesforFree_8.25_Adknowledge3_release.exe

http://d3emsmln8xfj03.cloudfront.net/bundles/.../ConvertFilesforFree_8.25_Adknowledge3_release.exe

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